US Bridges

Jennings DR over Dry Run Creek (uni)

Good

Black Hawk County, Iowa · 0.3 Mi. S of Univ. Ave. · Structure no. 000000000699750

Built
1978
47 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
179 ft
3 main spans
Daily traffic
—
2022 count
Owner
State
State Highway Agency

About this bridge

Jennings DR over Dry Run Creek (uni) is a prestressed concrete stringer/multi-beam or girder carrying Jennings DR over Dry Run Creek (uni) in Black Hawk County, Iowa. It was built in 1978, so it is 47 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

No traffic count is recorded. The structure is 179 ft (54.6 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesJennings DR
CrossesDry Run Creek (uni)
Location0.3 Mi. S of Univ. Ave.
RouteState Lands Road 0
StateIowa
Coordinates42.50739, -92.45657
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length179 ft (54.6 m)
Longest span63 ft (19.2 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jennings DR over Dry Run Creek (uni) built?

It was built in 1978, making it 47 years old in 2025.

What condition is Jennings DR over Dry Run Creek (uni) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Jennings DR over Dry Run Creek (uni) carry?

No traffic count is recorded for this structure.

How long is Jennings DR over Dry Run Creek (uni)?

The structure is 179 ft (54.6 m) long with a longest span of 63 ft (19.2 m) and a deck 39 ft wide.

Who owns Jennings DR over Dry Run Creek (uni)?

It is owned by the State Highway Agency.